* {
  margin: 0;
  padding: 0;
}
body {
  overflow-x: hidden;
  background-color: #f0f0f0;
}
#xifu {
  width: 58.67vw;
  height: 7.46vw;
  background: rgba(33, 33, 33, 0.8);
  border: 0.27vw solid #8c8c8c;
  border-radius: 3.73vw;
  box-sizing: border-box;
  font-family: PingFangSC-Regular;
  font-size:  3.73vw;
  color: #ffffff;
  text-align: center;
  font-weight: 400;
  top: 8.8vw;
  left: 50%;
  transform: translate3d(-50%, 0, 0);
  z-index: 2;
  padding-top: 1vw;
  display: none;
}
#banner {
  position: relative;
  width: 100vw;
  height: 53.33vw;
  border: 1px solid red;
  box-sizing: border-box;
}
#banner_pic {
  width: fit-content;
  height: 100%;
  display: flex;
}

#banner_pic li {
  list-style: none;
  width: 100vw;
  height: 53.33vw;
}
#banner_pic li img {
  width: 100%;
  height: 100%;
}

#banner_nav {
  display: flex;
  position: absolute;
  left: 4.27vw;
  bottom: 3.46vw;
}
#banner_nav span {
  width: 2.67vw;
  height: 1.07vw;
  background: #808080;
  border-radius: 3.73vw;
  margin-right: 1.07vw;
}
#banner_nav span.active {
  background-color: #fff;
}
#tip-img {
  width: 100vw;
  height: 9.87vw;
  transform: translate3d(0, -50%, 0);
}

#center {
  width: 100vw;
  height: 24vw;
  padding: 0 2.67vw;
  box-sizing: border-box;
  display: flex;
  justify-content: space-between;
}

#center .item {
  display: flex;
  width: 46.4vw;
  height: 24vw;
  box-sizing: border-box;
  padding: 2.67vw;
  padding-right: 2.13vw;
  justify-content: space-around;
  background: #ffffff;
  border-radius: 10px;
}
#center .item .title {
  font-family: SIL-Hei-Med-Jian;
  font-size: 4.27vw;
  color: #000000;
  text-align: center;
  font-weight: 400;
}
#center .item .pct-img {
  width: 18.6vw;
  height: 18.6vw;
}

#brand {
  width: 94.67vw;
  height: 38.93vw;
  background: #ffffff;
  border-radius: 10px;
  margin: 2.67vw;
  box-sizing: border-box;
  padding: 2.93vw 2.67vw 4.53vw;
}
#brand .top {
  width: 100vw;
  display: flex;
  align-items: center;
}
#brand .top .title {
  font-family: SIL-Hei-Med-Jian;
  font-size: 4.27vw;
  color: #000000;
  text-align: center;
  font-weight: 400;
  margin-right: 2.13vw;
}
#brand .top .text-img {
  background-image: linear-gradient(90deg, #e3d6b4 0%, #cdb591 38%);
  border-radius: 1.87px 1.87vw 1.87vw 0;
  font-family: SIL-Hei-Med-Jian;
  font-size: 2.67vw;
  color: #ffffff;
  text-align: center;
  font-weight: 400;
  padding: 1vw 1.33vw;
}

#brand .pc-list {
  display: flex;
}
#brand .pc-list li {
  display: flex;
  flex-flow: column nowrap;
  list-style: none;
  justify-content: center;
}
#brand .pc-list li .pc-img {
  width: 19.2vw;
  height: 19.2vw;
  padding: 2.67vw;
  box-sizing: border-box;
}
#brand .pc-list li .pc-name {
  font-family: SIL-Hei-Med-Jian;
  font-size: 3.2vw;
  color: #a18d67;
  text-align: center;
  font-weight: 400;
}

#product, .row {
  width: 100vw;
}
#product .row {
  height: 50vw;
}
#product .row > div
{
  width: 50vw;
  height: 50vw;
}